Shoe upper



FIG. 1 is a front perspective view of a shoe upper showing may new design;

FIG. 2 is a side view thereof;

FIG. 3 is a rear perspective view thereof; and,

FIG. 4 is rear view thereof.

The broken lines immediately adjacent to the shaded area define the bounds of the claimed design and form no part thereof. The broken lines showing the remainder of the shoe represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a shoe upper, as shown and described. 